Luke
Luke 12:49BSB·traditional attribution

I have come to ignite a fire on the earth, and how I wish it were already kindled!

John Calvin Reformed @genevareformer

49. I am come to send fire on the earth. From these concluding words it may easily be inferred, that this was one of Christ’s latest discourses, and is not related by Luke at the proper place. But the meaning is, that Christ has introduced into the world the utmost confusion, as if he had intended to mingle heaven and earth.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. Peter's question, which he put to Christ upon occasion of the foregoing parable (Luk 12:41): "Lord, speakest thou this parable to us that are thy constant followers, to us that are ministers, or also to all that come to be taught by thee, to all the hearers, and in them to all Christians?" Peter was now, as often, spokesman for the disciples.

Commenting on Luke 12:41-53

John Gill Reformed Baptist @doctorgill

But I have a baptism to be baptized with,.... Not water baptism, for he had been baptized with that already; nor the baptism of the Spirit, which he had also received without measure; though the Ethiopic version reads it actively, "with which I shall baptize", referring doubtless to that; but the baptism of his sufferings is meant, which are compared to a baptism, because of...